setfacl fix

[Christoph Hellwig]

On Fri, Nov 15, 2013 at 08:53:12PM -0600, Steve French wrote:
> From: Steve French <smfrench at gmail.com>
> Date: Fri, 15 Nov 2013 20:41:32 -0600
> Subject: [PATCH] [CIFS] setfacl removes part of ACL when setting POSIX ACLs to
>  Samba
> 
> setfacl over cifs mounts can remove the default ACL when setting the
> (non-default part of) the ACL and vice versa (we were leaving at 0
> rather than setting to -1 the count field for the unaffected
> half of the ACL.  For example notice the setfacl removed
> the default ACL in this sequence:

Can you send a patch to xfstests to make sure we regression test for
this issue on all filesystems?